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PRODUCT SPECIFICATIONS
Table 2. Cisco 830 Series Hardware Specifications
Hardware Specifications Cisco 831, 836, and 837 Routers
Processor
Motorola RISC
Default DRAM* Memory
64 MB
Maximum DRAM Memory
80 MB
Default Flash* Memory
12 MB
Maximum Flash Memory
24 MB
WAN
• 10BASE-T Ethernet (Cisco 831 router)
• ADSL over ISDN—Annex B (Cisco 836 router)
• ADSL over POTS—Annex A (Cisco 837 router)
LAN
Four-port 10/100BASE-T with autosensing MDI/MDX for autocrossover
Console Port
This port can be configured to behave as an auxiliary port (virtual AUX supports modem control for dial backup
and out-of-band management)
RJ-45
ISDN BRI S/T port which can be configured for ISDN dial backup or out-of-band management (Cisco 836 only)
LEDs
10
External Power Supply
Universal 100-240 VAC
* DRAM and Flash memory must be obtained from Cisco
Table 3. Memory Requirements and Software Feature Sets for Cisco 831, 836, and 837 Routers
Cisco 830 Series with Cisco IOS Software Images Cisco 830 Series Memory Requirements
Flash DRAM
IP/Firewall/IPSec 3DES (default)
12 MB 48 MB
IP/Firewall/IPSec 3DES PLUS1
12 MB 48 MB
IP/Firewall/IPSec 3DES/PLUS/dial backup (Cisco 836 router only)
12 MB 48 MB
